openedPosition property
the current position of the SlideActionPanel it would be null if the SlideActionPanel is not opened it would be ActionPosition.pre if the current animation value is greater than 0 it would be ActionPosition.post if the current animation value is less than 0
Implementation
@override
ActionPosition? get openedPosition {
return switch (ratio) {
> 0 => ActionPosition.pre,
< 0 => ActionPosition.post,
_ => null,
};
}